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<br />personnel at ski areas in Colorado. The average annual water use for <br />snowmaking per facility from Table 8 was assumed for each county listed in <br />Table 9, except for Summit and Routt Counties where the water use for <br />snowmaking was known. <br /> <br />The estimated water demand for snowmaking is calculated by multiplying <br />the estimated number of current snowmaking facilities in each county by the <br />average annual water demand per facility from Table 9. <br /> <br /> TABLE 9 <br />ESTIMATES OF CURRENT AND FUTURE WATER DEMAND <br />FOR SNOWMAKING IN COLORADO <br /> Estimated Average Annual Water <br /> Demand for Snowmaking (AF)* <br />Colorado Counties Estimated Number of <br />with Snowmaking Snowmaking Facilities 2000 2030 <br />Boulder 1 406 643 <br />Clear Creek 1 406 643 <br />Eagle 1 406 643 <br />Garfield 1 406 643 <br />Grand 3 1218 1929 <br />Gunnison 1 301 500 <br />La Plata 1 406 643 <br />Mesa 1 406 643 <br />Pitkin 5 2030 3215 <br />Routt 2 271 630 <br />San Miguel 1 406 643 <br />Summit 3 1531 3688 <br /> <br />Notes: <br /> <br />Colorado counties with snowmaking facilities were determined by locating ski resorts <br />online and calling each to identify county and snowmaking capabilities. <br /> <br />Summit county snowmaking was taken from HRC Inc., 2003. <br /> <br />* acre-feet <br /> <br />The best available estimate of year-2000 average annual water demand for <br />snowmaking in the twelve Colorado counties identified with snowmaking <br />facilities is a total of 8,193 AF per year. The total projection for year 2030 <br />snow making water use in Colorado is 14,463 AF per year. Interpolated <br />estimates are calculated for the years between 2000 and 2030 for these <br />counties, thus assuming a gradual increase in demand throughout the <br />planning period. The interpolated annual water use data by county are <br />shown in Appendix B. <br /> <br />It should be noted that the snow making water use estimates reported here <br />are rough estimates based on an average derived from estimates pertaining <br />to a very limited population of snowmaking facilities. The accuracy of these <br />estimates could be improved upon by confirming with qualified personnel or <br />obtaining water use records of ski facilities. Additionally, details about slope <br />development plans at each existing ski area and any new potential ski areas <br />are needed for more certain year 2030 snowmaking projections. <br /> <br />22 <br /> <br />III. Data Collection and Analysis <br />